Home / 256,770,682.02-354,313,647.23-143,746,362.89

Finding the Fourth Proportional to 256,770,682.02, 354,313,647.23 and 143,746,362.89

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Solution

The fourth proportional to 256,770,682.02, 354,313,647.23 and 143,746,362.89 is: 198,353,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,770,682.02 : 354,313,647.23 = 143,746,362.89 : x
  2. Step 2: Convert to fraction form
    256,770,682.02/354,313,647.23 = 143,746,362.89/x
  3. Step 3: Cross multiply
    256,770,682.02x = 354,313,647.23 × 143,746,362.89
  4. Step 4: Simplify right side
    256,770,682.02x = 50,931,298,110,441,400
  5. Step 5: Solve for x
    x = 50,931,298,110,441,400/256,770,682.02
  6. Step 6: Final answer
    x = 198,353,245.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.